#### Answer

a) y = 0.
b) x = -1

#### Work Step by Step

a) y = -3 is horizontal line with slope 0. So, the line which is parallel to y = -3 and also passing through (-1,0) would be y = 0.
b) The line which is perpendicular to y = -3 and also passing through (-1,0) would be x = -1.